复合单位;单位复数

complex unit的用法和样例:

例句

  1. Quaternions were originally invented as an extension to complex numbers.四元数最早是为了扩展复数应用而产生与发展起来的。
  2. A ternary complex is also considered as the mathematical tool of describing a spatial motion of an object.此外三元复数还可作为描述物体复杂空间运动的数学工具。

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acetone chloroform
alternating-current reference-voltage measuring unit
analytical plotter
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international practical thermometric scale
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